Fresnel Prism in Low Vision Patients With Homonymous Hemianopia Defect in Cipto Mangunkusumo Hospital

Background: Homonymous hemianopia is a visual field defect that causes functional disabilities, such as decreased self-confidence, limited mobility, and increased risk of falls. Studies related to the effectiveness and comfort of Fresnel prisms, especially in the Indonesian population are limited. Objective: To evaluate the effectiveness and comfort level of Fresnel prisms in expanding visual field in an Indonesian patient population with homonymous hemianopia.

NCT Number	NCT07531667
Lead Sponsor	Indonesia University
Conditions	Fresnel Prism
Enrollment	25 participants
Start Date	2022-05-01
Primary Completion	2022-07-01 (estimated)
Study Completion	2022-08-01 (estimated)
Updated on ClinicalTrials.gov	2026-04-15